The plural form of the noun worker is workers.
The plural possessive form is workers'.
Examples: The workers' schedules are posted on the bulletin board.
The plural possessive form is workmen's.
The possessive form for the plural noun wives is wives'.
No, it is a plural noun. To make it a singular possessive add -'s = worker's. The worker's lunch was stolen. To make it a plural possessive add -s' = workers'. The workers' cars were damaged.
The plural possessive noun of molecules is molecules' .
The plural form for the noun buzz is buzzes; the plural possessive form is buzzes'.
The plural possessive noun for "vowel" is "vowels'".
The word sisters is the plural form; the plural possessive is sisters'.
The noun "branch" is a regular plural noun, a noun that forms its plural by adding "s" or "es". The plural form of branch is "branches".The plural possessive form is branches', a regular plural possessive.
The plural form for the noun tree is trees.The plural possessive form is trees'.
pLURAL ; orbits Possessive plural ; Orbits' (NB note the position of the apostrophe).
The plural possessive noun is racers'.
The plural possessive form for the noun senators is senators'.